This book is written for anyone who is interested in improving the performance of an Oracle database or database application. This includes application architects, developers, and Oracle database administrators. Not all sections of the book will necessarily appeal to application architects and developers who rarely have an opportunity to (for example) determine the layout of Oracle data files on a xx Preface disk storage array. Similarly, DBAs are often involved in all aspects of performance,
but just as often have no input into the application design. Each of these groups might choose to skip sections of the book covering aspects of performance in which they have no control. However, I emphasize that the philosophy of this book advocates addressing the root causes of performance issues before alleviating symptoms. It’s assumed in later chapters (disk IO tuning, for instance) that
you have addressed the activities outlined in preceding chapters (tuning SQLs, for instance).
This book is intended to be accessible to those who are relatively new to the Oracle database, so I briefly explain and define key concepts and Oracle architecture. Some familiarity with Oracle and the SQL language is assumed, however.
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